Clever crows trained to collect trash

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Watch: First responders rescue dog that fell down hill near L.A.’s Hollywood sign
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Watch: Maine seals returned to wild after months of rehabilitation
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Oklahoma woman speaks out after surviving monkey attack
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Ohio man hospitalized following zebra attack
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Alligator stolen from Texas zoo returned 20 years later
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Watch: Dramatic capture of bald eagle sickened by rat poison
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Animals attack dog walkers in separate incidents in Alaska and Florida
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Elderly Florida woman killed in alligator attack
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Video shows moose charging into woman on Alaskan sidewalk
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How avalanche rescue dogs train to save lives
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Rescue dogs train to save lives during an avalanche
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Paleontologists unearth seven million-year-old sperm whale skull in Peru
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Kitten rescued from truck engine by maintenance technicians
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Dog journeys 10 miles back to Texas shelter
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Watch: Dogs take a stroll down the catwalk at New York Fashion Week
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Three-year-old sells homegrown eggs amid price surge
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Watch: Texas officer rescues K-9 partner during tornado
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Watch: San Diego firefighters rescue dog from 30-foot hole
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Community jumps in to rescue dozens of dogs after fire at Seattle dog daycare
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Squirrel monkeys stolen from Louisiana's 'Zoosiana'
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UP NEXT
Watch: First responders rescue dog that fell down hill near L.A.’s Hollywood sign
01:24
Watch: Maine seals returned to wild after months of rehabilitation
00:56
Oklahoma woman speaks out after surviving monkey attack
01:31
Ohio man hospitalized following zebra attack
01:23
Alligator stolen from Texas zoo returned 20 years later
00:54
Watch: Dramatic capture of bald eagle sickened by rat poison
01:36